Infection Sources Traced for U.S. SARS Patients
Data from the Centers for Disease Control indicates 61 out 63 U.S. SARS patients became sick within 10 days of returning from countries with known outbreaks of the respiratory illness. The World Health Organization says knowing where SARS patients have traveled will aid investigators tracking the course of the epidemic. NPR's Joanne Silberner reports.
Copyright 2003 NPR